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US 5,436,845 AGranted
Automatic programming apparatus for plural-spindle numerically controlled machine
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorYoshikatsu Takahashi
Life of this patent
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Abstract
An automatic programming system is provided for a lathe which has more than one spindle. The system has one program which controls the machining processes which are performed using the spindles. The same program also controls a process which transfers a workpiece between the spindles. Additionally, the programming system is able to relocate the origin of a coordinate system used as a reference for the machining based on data relating to the length of the workpiece and the distance between the chucks of the spindles.
Claims3
An automatic programming system for a lathe having a plurality of spindles, comprising:
- means for providing a single program which includes machining processes to be carried out on separate spindles, and a transfer process for transferring a workpiece from one spindle to another;
- and
- conversion means for moving a home position of said workpiece to a position distant from an initial home position thereof, based on information as to a length of said workpiece and a distance between chucks of said spindles, and for converting at least a part of said program into program data having a new home reference position.
Dependencies are inferred from the claim text.